1const numbers = [1, [2], [3, [4]], 5];
2
3// Using JavaScript
4JSON.parse(JSON.stringify(numbers));
5
6// Using Lodash
7_.cloneDeep(numbers);
8
1var ar = ["apple","banana","canaple"];
2var bar = Array.from(ar);
3alert(bar[1]); // alerts 'banana'
4
5// Notes: this is for in In ES6, works for an object of arrays too!
6// (May not be applicable for deep-copy situations?)